bschmidt 2671ddd113 When injecting frames a temporary node is faked, during this several
uses of ic_curchan occur. Due to the nature of a scan, switching
channels constantly and all this happening without any kind of locks
held, it might happen that ic_curchan points to nowhere leading to
panics. Fix this by not allowing frame injections while in SCAN state.

Tested by:	Paul B. Mahol <onemda at gmail.com>
2011-03-13 12:56:46 +00:00
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